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226569 (2003 WW189)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720078994388236 4.7197e-08  
a 3.233868374632975 3.4854e-08 au
q 2.677617468450714 1.6907e-07 au
i 18.5804419622092 6.7495e-06 deg
node 315.470281325715 1.5007e-05 deg
peri 115.7822549313937 2.7801e-05 deg
M 277.7463232173103 2.1317e-05 deg
tp 2459485.827337774228
(2021-Sep-28.32733777)
0.00012812 TDB
period 2124.134123029153
5.82
3.434e-05
9.402e-08
d
yr
n .1694808233138389 2.7399e-09 deg/d
Q 3.790119280815236 4.0849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7919 days (21.68 yr)  
   first obs. used      1999-03-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:59:43  

Additional Information
 Earth MOID = 1.75164 au 
 Jupiter MOID = 1.61081 au 
 T_jup = 3.081 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO475855  
diameter diameter 5.088 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226569 (2003 WW189)          Discovered 2003-Nov-24 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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